Hi, now logs contains more errors: - first after resume (session was closed before), the computer works but logs contain many:
nouveau E[ DRM] DDC responded, but no EDID for eDP-1 Then during KDE session opening, I've got: ksplashqml[11489]: segfault at 8 ip 00007fe33af01110 sp 00007ffccbf38c38 error 4 in libQt5Gui.so.5.4.2[7fe33adf3000+51b000] krunner[11721]: segfault at 18 ip 00007f8d0febb6f8 sp 00007ffeff097080 error 4 in libqxcb.so[7f8d0fe71000+b6000] kactivitymanage[11695]: segfault at 18 ip 00007f888b43d7a0 sp 00007fffc5513438 error 4 in libqxcb.so[7f888b40e000+b6000] kglobalaccel5[11732]: segfault at 18 ip 00007fd83b9b86f8 sp 00007ffeb6c8f5a0 error 4 in libqxcb.so[7fd83b96e000+b6000] kglobalaccel5[11734]: segfault at 18 ip 00007f53df6536f8 sp 00007ffe28c23cb0 error 4 in libqxcb.so[7f53df609000+b6000] kwin_x11[11731]: segfault at 18 ip 00007f1467c916f8 sp 00007ffd9cc31210 error 4 in libqxcb.so[7f1467c47000+b6000] nouveau E[ DRM] DDC responded, but no EDID for eDP-1 kglobalaccel5[11739]: segfault at 18 ip 00007f221d0836f8 sp 00007ffcd157ead0 error 4 in libqxcb.so[7f221d039000+b6000] nouveau E[ DRM] DDC responded, but no EDID for eDP-1 kglobalaccel5[11742]: segfault at 18 ip 00007fd30cbfd6f8 sp 00007fff7b2a8970 error 4 in libqxcb.so[7fd30cbb3000+b6000] nouveau E[ DRM] DDC responded, but no EDID for eDP-1 kglobalaccel5[11745]: segfault at 18 ip 00007fc64c45a6f8 sp 00007ffd8c445620 error 4 in libqxcb.so[7fc64c410000+b6000] nouveau E[ DRM] DDC responded, but no EDID for eDP-1 kglobalaccel5[11750]: segfault at 18 ip 00007f7d2bd456f8 sp 00007ffe3039d460 error 4 in libqxcb.so[7f7d2bcfb000+b6000] nouveau W[ PCE0][0000:02:00.0] disabled, PCE0=1 to enable nouveau E[ DRM] DDC responded, but no EDID for eDP-1 nouveau W[ PCE0][0000:02:00.0] disabled, PCE0=1 to enable nouveau E[ DRM] DDC responded, but no EDID for eDP-1 nouveau E[ DRM] DDC responded, but no EDID for eDP-1 plasmashell[11821]: segfault at 18 ip 00007f18cfad76f8 sp 00007fffbc1bcdc0 error 4 in libqxcb.so[7f18cfa8d000+b6000] nouveau E[ DRM] DDC responded, but no EDID for eDP-1 klauncher[11898]: segfault at 18 ip 00007f776e6836f8 sp 00007fffd590eb70 error 4 in libqxcb.so[7f776e639000+b6000] nouveau E[ DRM] DDC responded, but no EDID for eDP-1 Then, kernel crashes, last log line is: ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@